OpenRAM/compiler/modules/rom_array_gnd_tap.py

40 lines
1.0 KiB
Python

from openram.base import design
from openram.base import vector
from openram.sram_factory import factory
class rom_array_gnd_tap(design):
def __init__(self, name, length, cell_name=None, prop=None):
super().__init__(name, cell_name, prop)
self.length = length
self.create_layout()
def create_layout(self):
self.add_cell()
self.add_boundary()
self.place_gnd_rail()
def add_boundary(self):
self.height = self.dummy.height
self.width = self.dummy.width
super().add_boundary()
def add_cell(self):
self.dummy = factory.create(module_type="rom_dummy_cell")
def place_gnd_rail(self):
rail_start = vector(-self.dummy.width / 2 ,0)
rail_end = vector(self.dummy.width * self.length, 0)
self.add_layout_pin_rect_ends( name="gnd",
layer="m1",
start=rail_start,
end=rail_end)